Compaq AP250 - Deskpro Workstation - 128 MB RAM Hardware Reference Manual Download Page 1

Page: 1 / 75

Compaq Deskpro Workstation AP250

Hardware Reference Guide

191009-001

Summary of Contents for AP250 - Deskpro Workstation - 128 MB RAM

Page 1: ...Compaq Deskpro Workstation AP250 Hardware Reference Guide 191009 001 ...

Page 2: ... Confidential Need to Know Required Writer Beth Zanca Part Number 191009 001 File Name a title doc Last Saved On 04 12 00 2 18 PM Last Saved By Lydia Sanchez Deskpro Workstation AP250 Hardware Reference Guide ...

Page 3: ... Trademark Office Microsoft Windows Windows NT Windows 2000 Professional and other names of Microsoft products referenced herein are trademarks or registered trademarks of Microsoft Corporation Intel and Pentium are registered trademarks of Intel Corporation All other product names mentioned herein may be trademarks or registered trademarks of their respective companies The following words and sym...

Page 4: ... Access Panel 2 3 Removing the Front Bezel 2 4 Installing Additional Memory 2 5 Guidelines for RIMM Installation 2 5 Installing RIMMs 2 6 Removing RIMMs 2 7 Installing Additional Drives 2 8 Drive Bay Components 2 8 Preparing for Drive Installation 2 9 Removing the Bezel Blank 2 9 Installing a Drive 2 10 Installing a Hard Drive into a 3 5 inch Drive Bay 2 10 Installing a Hard Drive into a 5 25 inch...

Page 5: ...1 30 PM Last Saved By Lydia Sanchez D FJAH PRODUCT FEATURES Standard Configuration Features The Compaq Deskpro Workstation AP250 workstation is a minitower system that can be easily converted to a desktop Features may vary depending on your model For a complete listing of the hardware and software installed in your workstation run the INSPECT utility described in the Troubleshooting Guide ...

Page 6: ...01 doc Last Saved On 04 12 00 1 30 PM Last Saved By Lydia Sanchez Front Panel Components Front panel components 1 CD ROM eject button 2 CD ROM drive activity light 3 CD ROM headphone jack 4 CD ROM volume 5 Diskette drive activity light 6 Diskette eject button 7 Power button 8 Power on light 9 Hard drive activity light ...

Page 7: ...ia Sanchez Rear Panel Components Rear panel components 1 Power cord connector 2 Voltage select switch 3 Two universal serial bus USB connectors 4 Keyboard connector 5 Mouse connector 6 Serial connector COMM1 7 Serial connector COMM2 8 Headphone connector 9 Line out audio connector Parallel connector Microphone connector ω Line in audio connector ε VGA AGP video connector ρ External SCSI connector ...

Page 8: ...tem board components 1 ISA expansion slot 2 Shared PCI ISA expansion slot 3 PCI expansion slots 4 AGP expansion slot 5 Primary processor 6 RIMM slots 1 2 7 Power connector 8 Battery 9 Diskette drive connector Secondary IDE connector θ Primary IDE connector ω Power switch and LED connector ε Power on password P49 enabled jumper ρ SW50 CMOS pushbutton switch τ WOL header connector ψ CD ROM audio cab...

Page 9: ...ct the network cable from the system and any external devices 3 Remove the workstation access panel Refer to Removing the Workstation Access Panel in Chapter 2 4 Remove the front bezel Refer to Removing the Front Bezel in Chapter 2 5 Disconnect all power and data cables from the drives in the 5 25 inch drive bay 6 To release a drive from the 5 25 inch drive bay slide the drivelock as shown Careful...

Page 10: ...from the front of the drive bay 8 After placing the workstation in the desktop position gently slide the drives back into the bay Installing the drives CAUTION The use of unnecessary force when installing the drive may result in damage to the drive Always place the diskette drive in the bay nearest the top bay 3 of the chassis in the desktop configuration to ensure proper drive clearance and acces...

Page 11: ...traight when you pull it away from the front bezel Pulling the subpanel away at an angle could damage the pins that align it within the front bezel Changing from a minitower to a desktop configuration 11 Replace the subpanel front bezel and the workstation access panel Be sure the subpanel and front bezel align properly with the alignment tabs When converting from a minitower to a desktop orientat...

Page 12: ...tem and any external devices 3 Remove the workstation access panel Refer to Removing the Workstation Access Panel in Chapter 2 4 Remove the front bezel Refer to Removing the Front Bezel in Chapter 2 5 Disconnect all power and data cables from the drives in the 5 25 inch drive bay 6 To release a drive from the 5 25 inch drive bay slide the drivelock as shown Releasing the drives with the drivelock ...

Page 13: ... Lydia Sanchez Installing the drives CAUTION The use of unnecessary force when installing the drives may damage the drives Always place the diskette drive in the bay nearest the internal 3 5 inch drives bay 3 in the minitower configuration for proper clearance within the chassis When the drives are properly inserted the drivelock will secure them 10 Reconnect the power and data cables to the drive...

Page 14: ... pull it away from the front bezel Pulling the subpanel away at an angle could damage the pins that align it within the front bezel Changing from a desktop to a minitower configuration 12 Replace the subpanel front bezel and workstation access panel Be sure the subpanel and front bezel align properly with the alignment tabs When converting from a desktop to a minitower orientation use the replacem...

Page 15: ...he next Taskbar button Windows logo key E Launches Explore My Computer Windows logo key F Launches Find Document Windows logo key Ctrl F Launches Find Computer Windows logo key M Minimizes all open applications Shift Windows logo key M Undoes Minimize All Windows logo key R Displays Run dialog box Special Mouse Functions Most software applications support the use of a mouse The functions assigned ...

Page 16: ...ydia Sanchez D FJAH HARDWARE UPGRADES This chapter explains how to remove the workstation access panel and the front bezel It also explains how to install the following hardware Memory Drives Expansion boards Processors Compaq recommends that you finish the setup procedures for the preinstalled software before you install any optional hardware or third party devices that were not included with you...

Page 17: ...the power cord from the grounded AC outlet and the back of the workstation 2 Disconnect the keyboard monitor network cable and other external equipment connected to the workstation 3 Open the workstation by removing its workstation access panel See the section Removing the Workstation Access Panel in this chapter for instructions 4 If you are installing or removing drives in the front bays see the...

Page 18: ...the Workstation Access Panel To remove the workstation access panel 1 Turn off the workstation and any external devices 2 Disconnect the power cord from the grounded AC outlet and the back of the workstation 3 Refer to the following illustration to remove the workstation access panel Loosening the two thumbscrews and removing the workstation access panel When replacing the workstation access panel...

Page 19: ...wer cord from the grounded AC outlet and the back of the workstation 3 Remove the workstation access panel Refer to Removing the Workstation Access Panel in this chapter 4 Push in on the two front bezel release tabs then rotate the front bezel away from the chassis to release it Pressing the front bezel release tabs to remove the front bezel When replacing the front bezel ensure that the bottom hi...

Page 20: ... sure to match the two key slots on the RIMM with the tabs on the RIMM socket Push the RIMM down into the RIMM socket ensuring that it is fully inserted and properly seated and that the retaining arms are locked in place For optimal performance install RIMMs in Slot 1 then Slot 2 and so on CRIMMs must be installed in all empty RIMM sockets The CRIMMs are removed when you populate the sockets with ...

Page 21: ...t CAUTION The above guidelines must be followed when installing RIMMs or your workstation will not function CAUTION When handling a memory module do not touch any of the contacts Doing so can damage the module Installing RIMMs WARNING To reduce the risk of personal injury when replacing or removing RIMMs allow the module being removed from the RIMM slot sufficient time to cool RIMM temperatures ca...

Page 22: ...e grounded AC outlet 2 Remove the workstation access panel and locate the RIMM sockets CAUTION Be sure to follow the correct configuration guidelines respective to your memory board or your system will not function 3 Using the following illustration as a guide insert the RIMM module into the empty RIMM socket Installing a RIMM module 4 Replace the workstation access panel 5 Plug the power cord bac...

Page 23: ...fying drive bay components Drive bays 1 through 3 are located on the front of the workstation Bays 4 and 5 are located inside the workstation The drives support various drive configurations 1 Bay 1 5 25 inch half height bay for optional drive 2 Bay 2 5 25 inch half height bay for optional drive 3 Bay 3 3 5 inch high density diskette drive mounted in the 5 25 inch one third height bay 4 Bay 4 3 5 i...

Page 24: ...l blank 1 Turn off the workstation and any external devices 2 Disconnect the power cord from the grounded AC outlet and the back of the workstation 3 Remove the workstation access panel Refer to Removing the Workstation Access Panel in this chapter 4 Remove the front bezel Refer to Removing the Front Bezel in this chapter 5 Gently pull the subpanel with the bezel blank still secured away from the ...

Page 25: ...sure the Compaq logo is properly oriented Installing a Drive Installing a Hard Drive into a 3 5 inch Drive Bay Compaq does not support mixing IDE and SCSI hard drives in the same system If you are replacing a hard drive in bay 4 or bay 5 it should be of the same type To install a hard drive in a 3 5 inch drive bay 1 Turn off the workstation and disconnect the power cord from the grounded AC outlet...

Page 26: ...h Zanca Part Number 191009 001 File Name e ch02 doc Last Saved On 04 12 00 1 35 PM Last Saved By Lydia Sanchez 4 Refer to the following illustrations to install a diskette drive in a 3 5 inch bay Installing a hard drive into the hard drive bay Connecting the signal cable and power cable 5 Reassemble the workstation ...

Page 27: ...emove the workstation access panel On a power managed system the power cord must be disconnected from the grounded AC outlet 2 Install the four screws into the drive as shown in the following illustration to secure the drive to the bracket 3 Install the guide screws into the hard drive bracket 4 Install the adapter in the drive bay by sliding it into the front of the drive cage The drivelock autom...

Page 28: ...ved On 04 12 00 1 35 PM Last Saved By Lydia Sanchez 5 Connect the drive cables to the system board Connecting the drive cables to the system board 1 CD ROM audio cable connector 2 Primary IDE connector 3 Secondary IDE connector 4 Diskette drive connector 6 Replace the workstation access panel 7 Plug the power cord back into the grounded AC outlet Reconnect external devices ...

Page 29: ...ded AC outlet On a power managed system the power cord must be disconnected from the grounded AC outlet 2 Remove the workstation access panel Refer to Removing the Workstation Access Panel in this chapter 3 Remove the front bezel Refer to Removing the Front Bezel in this chapter 4 Disconnect the drive power and signal cables and if it is a CD ROM drive disconnect the audio connector 5 Slide the dr...

Page 30: ...now Required Writer Beth Zanca Part Number 191009 001 File Name e ch02 doc Last Saved On 04 12 00 1 35 PM Last Saved By Lydia Sanchez 7 While holding the drive casing pull the drives out of the drive bay Removing a drive from the 5 25 inch drive bay 8 Store the drives in an antistatic package ...

Page 31: ...ing and removing PCI and ISA expansion boards For product documentation related to your graphics controller refer to the Workstation Reference Library CD included with your workstation Identifying the PCI and ISA Expansion Slots This workstation contains ISA and PCI shared slots The following illustration identifies the physical locations of these slots Identifying PCI and ISA expansion slots 1 On...

Page 32: ...alling an Expansion Board To install an expansion board 1 Turn off the workstation and disconnect the power cord from the grounded AC outlet 2 Remove the workstation access panel and locate the correct vacant slot in the workstation chassis 3 Remove the screw securing the expansion slot cover then remove the slot cover as illustrated To replace the expansion cover reverse the procedure Removing th...

Page 33: ...properly in the expansion board slot Installing an expansion board 5 Replace the screw at the side of the expansion slot 6 Replace the workstation access panel 7 Connect external cables to the installed board if necessary 8 Plug the power cord back into the grounded AC outlet 9 Turn on the system 10 Reconfigure the workstation if necessary Removing an Expansion Board Reverse the steps in the previ...

Page 34: ... Sanchez Identifying the AGP Graphics Controller Expansion Slot Your workstation also ships with an Accelerated Graphics Port AGP expansion slot on the system board 1 The following illustration shows the location of this slot Identifying the AGP graphics controller expansion slot For product documentation related to your graphics controller refer to the Workstation Reference Library CD included wi...

Page 35: ...ng an Expansion Board in this chapter for more information To ensure the board fits properly use an AGP graphics controller with an ATX format bracket When installing an AGP graphics controller press firmly on the board so that the whole connector seats properly in the AGP slot If you are installing a full length expansion board be sure to engage the card guide Installing an AGP graphics controlle...

Page 36: ...Attaching the Heatsink to the Processor WARNING To reduce the risk of personal injury from hot surfaces allow the internal system components to cool before touching them CAUTION Static electricity can damage the electronic components of the workstation Before beginning these procedures be sure you are discharged of static electricity by briefly touching a grounded metal object To attach the heatsi...

Page 37: ... Beth Zanca Part Number 191009 001 File Name e ch02 doc Last Saved On 04 12 00 1 35 PM Last Saved By Lydia Sanchez 3 Place the heatsink on the front face of the exposed processor Be sure to align the pins through the holes correctly Attaching the heatsink to the processor ...

Page 38: ...a Part Number 191009 001 File Name e ch02 doc Last Saved On 04 12 00 1 35 PM Last Saved By Lydia Sanchez 5 Slide the metal bracket on the back of the processor to the right and secure the bracket Attaching the metal bracket to the back of the processor To remove the heatsink from the processor reverse the above procedure ...

Page 39: ...ectricity can damage the electronic components of the workstation Before beginning these procedures be sure you are discharged of static electricity by briefly touching a grounded metal object To install the processor heatsink assembly onto the system board 1 Turn off the workstation and disconnect the power cord from the grounded AC outlet and the back of the workstation 2 Remove the workstation ...

Page 40: ...cm 58 90 cm Approximate Weight 54 75 lb 24 89 kg Power Supply Operating Voltage Range Rated Voltage Range Rated Line Frequency 115 VAC 90 132 VAC 100 127 VAC 50 60 Hz 230 VAC 180 264 VAC 200 250 VAC 50 60 Hz Temperature Operating Shipping 50 to 104 F 4 to 140 F 10 to 40 C 15 to 60 C Humidity noncondensing Operating Nonoperating 20 to 80 10 to 90 Maximum Altitude unpressurized Operating Nonoperatin...

Page 41: ... 17 65 in 17 11 in 16 76 cm 44 83 cm 43 46 cm Approximate Weight 26 lb 12 kg Power Supply Operating Voltage Range Rated Voltage Range Rated Line Frequency 115 VAC 90 132 VAC 100 127 VAC 50 60 Hz 230 VAC 180 264 VAC 200 250 VAC 50 60 Hz Temperature Operating Shipping 50 to 95 F 4 to 140 F 10 to 35 C 15 to 60 C Humidity noncondensing Operating Nonoperating 20 to 80 10 to 90 Maximum Altitude unpressu...

Page 42: ...5 in 17 11 in 16 76 cm 44 83 cm 43 46 cm Approximate Weight 26 lb 12 kg Power Supply Operating Voltage Range Rated Voltage Range Rated Line Frequency 115 VAC 90 132 VAC 100 127 VAC 50 60 Hz 230 VAC 180 264 VAC 200 250 VAC 50 60 Hz Temperature Operating Shipping 50 to 95 F 4 to 140 F 10 to 35 C 15 to 60 C Humidity noncondensing Operating Nonoperating 20 to 80 10 to 90 Maximum Altitude unpressurized...

Page 43: ...at support this feature Enable Quick Boot which is faster than Full Boot but does not run all of the diagnostic tests run during a Full Boot You can set your system to always Quick Boot default periodically Full Boot from every 1 to 30 days or always Full Boot Enable or disable Network Server Mode which allows the computer to boot the operating system when the power on password is enabled with or ...

Page 44: ...ure integrated I O functionality including the serial USB or parallel ports audio or embedded NIC so that they cannot be used until they are unsecured Enable or disable Master Boot Record MBR Security This feature is not supported on the Compaq Professional Workstation AP550 or SP750 Enable or disable removable media boot ability Enable or disable removable media write ability Solve system configu...

Page 45: ... the computer again to access the utility 3 Select your language from the list and press the Enter key 4 A choice of five headings appears in the Computer Setup Utilities menu File Storage Security Power and Advanced 5 Using the arrow keys or the Tab key select the option you want and press the Enter key To return to the Computer Setup Utilities menu press the Esc key 6 To apply and save changes s...

Page 46: ...d enabled NIC if applicable About Displays copyright notice Set Time and Date Allows you to set system time and date Save to Diskette Saves system configuration including CMOS to a blank formatted 1 44 MB diskette Restore from Diskette Restores system configuration including CMOS from a diskette Set Defaults and Exit Restores factory default settings which includes clearing any established passwor...

Page 47: ...ices only Allows you to select a drive emulation type for a storage device For example a Zip drive can be made bootable by selecting disk emulation Drive Type Emulation Options Hard disk No emulation options available Diskette None treated as diskette drive Disk treated as hard drive CD ROM None treated as CD ROM drive Diskette treated as diskette drive Disk treated as hard drive Other e g Zip dri...

Page 48: ...le Translation Parameters IDE Disks only Allows you to specify the parameters logical cylinders heads and sectors per track used by the BIOS to translate disk I O requests from the operating system or an application into terms the hard drive can accept Logical cylinders may not exceed 1024 The number of heads may not exceed 256 The number of sectors per track may not exceed 63 These fields are onl...

Page 49: ...s ability to write data to removable media Note This feature applies only to legacy diskette IDE LS 120 Superdisk and IDE PD CD drives Primary IDE Controller Allows you to enable or disable the primary IDE controller Secondary IDE Controller Allows you to enable or disable the secondary IDE controller Diskette MBR Validation Allows you to enable or disable strict validation of the diskette Master ...

Page 50: ...ubsystem for older narrow SCSI devices only This feature is disabled by default which allows connection to wide SCSI devices Boot Order Allows you to specify the order in which attached peripheral devices such as diskette drive hard drive CD ROM or network interface card are checked for a bootable operating system image Each device on the list may be individually excluded from or included for cons...

Page 51: ... the Troubleshooting Guide for more information Password Options Allows you to enable disable network server mode Note This selection will appear only if a power on password is set specify whether password is required for warm boot CTRL ALT DEL Note This selection is available only when Network Server Mode is disabled See the Desktop Management Guide for more information Smart Cover Allows you to ...

Page 52: ... current bootable disk Several disk utilities such as FDISK and FORMAT attempt to update the MBR If MBR Security is enabled and disk accesses are being serviced by the BIOS write requests to the MBR are rejected causing the utilities to report errors If MBR Security is enabled and disk accesses are being serviced by the operating system any MBR change will be detected by the BIOS during the next r...

Page 53: ...ork server Feature available on NIC models only the network controller must reside on the PCI bus or be embedded on the system board System IDs Allows you to set asset tag 16 byte identifier and ownership Tag 80 byte identifier displayed during POST See the Desktop Management guide for more information chassis serial number or Universal Unique Identifier UUID number if current number is invalid th...

Page 54: ...vailable under ACPI enabled operating systems Timeouts Allows you to disable or manually select timeout values for the system and or all attached IDE hard drives Note This option is not available under ACPI enabled operating systems This selection will only appear when energy saver mode is set to advanced Energy Saver Options Allows you to set power button configuration on off or sleep wake under ...

Page 55: ...puter to an electric power strip and would like to turn on power to the computer using the switch on the power strip set this option to on Note If you turn off power to your computer using the switch on a power strip you will not be able to use the suspend sleep feature or the Remote Management features UUID Universal Unique Identifier enable disable Onboard Devices Allows you to set resources for...

Page 56: ...ower on off on PME power management event wakeup events enable disable Processor cache enable disable Processor Number enable disable for Pentium III processors ACPI Thermal model enable disable ACPI S3 support enable disable S3 is an ACPI advanced configuration and power interface sleep state that some add in hardware options may not support Feature supported on select models only AGP Aperture si...

Page 57: ... drives ship with jumpers preset to cable select mode therefore no jumper setting changes on the existing or optional drives are required If you purchase a third party hard drive refer to the documentation included with the kit to ensure proper installation and configuration of cables If installing a second device on the primary controller you must use an 80 conductor Ultra ATA cable for optimal p...

Page 58: ...er identifies a SCSI device by its SCSI ID number rather than its location Moving a SCSI device from one position to another on the SCSI chain does not affect communication between the controller and the device The reserved and availagle SCSI ID numbers for SCSI devices are 0 is reserved for the primary hard drive 7 is reserved for the controller 1 through 6 and 8 through 15 are available for all ...

Page 59: ...n about optional SCSI devices refer to the documentation included with the device or contact your Compaq authorized dealer reseller or service provider CAUTION Do not route cables near the air intake to the power supply Cables routed in this manner can block airflow to the power supply causing it to overheat Guidelines for Installing a SCSI Device Compaq does not support mixing Ultra ATA and SCSI ...

Page 60: ...ending on your workstation model the following three areas are available for installing or connecting mass storage SCSI devices Removable hard drive cage Compaq Professional Workstation SP750 only Front drive bays Using a SCSI Cable The Compaq Professional Workstation SP750 ships with a Low Voltage Differential LVD SCSI cable that supports up to five SCSI devices a maximum of three in the removabl...

Page 61: ... kit or contact your Compaq authorized dealer reseller or service provider Using SCSISelect with SCSI Devices The Wide Ultra2 SCSI host adapter includes the SCSISelect utility to configure the host adapter and to run SCSI disk utilities To run the SCSISelect utility In Post Messages Enabled mode Press Ctrl A when the Press Ctrl A for SCSISelect Utility message appears during POST In Post Messages ...

Page 62: ...e Name appc doc Last Saved On 04 11 00 5 36 PM Last Saved By Lydia Sanchez Additional Options Boot Device Options SCSI Device Configuration Advanced Configuration Options SCSI Disk Utilities Lists all SCSI devices and SCSI ID numbers For information about configuring POST message display status refer to Appendix B Computer Setup ...

Page 63: ...ly To reduce the risk of personal injury Do not attempt to recharge the battery Do not expose to temperatures higher than 60 C 140ºF Do not disassemble crush puncture short external contacts or dispose of in fire or water Replace only with the Compaq spare designated for this product Batteries battery packs and accumulators should not be disposed of together with the general household waste In ord...

Page 64: ... Last Saved By Lydia Sanchez 2 Locate the battery and battery holder on the system board as shown in the following illustration Battery and Battery Holder 3 Lift the battery out of its holder Removing the Coin Cell Battery 4 Slide the replacement battery into position positive side up The battery holder automatically secures the battery in the proper position ...

Page 65: ...ast Saved On 04 11 00 5 38 PM Last Saved By Lydia Sanchez 5 Replace any expansion boards you removed 6 Replace the computer cover or access panel 7 Plug in the computer and turn on power to the computer 8 Reset the date and time your passwords and any special system setups using Compaq Computer Setup Refer to Appendix B Computer Setup ...

Page 66: ...ppe doc Last Saved On 04 11 00 5 39 PM Last Saved By Lydia Sanchez appendix E SECURITY LOCK PROVISIONS Installing a Cable Lock The cable lock is an optional device used to help secure the workstation 1 Separate the pieces of the security bracket by bending the metal where the three pieces join Separating the security brackets ...

Page 67: ...aved By Lydia Sanchez 2 Insert the tang tongue of the narrow bracket Bracket A into the slot on the chassis and slide the U shaped backet Bracket B between it and the system unit cover then install the self tapping screw included in the cable lock it Due to differences between chassis the slot may be located in a different position than shown Installing brackets A and B ...

Page 68: ...c Last Saved On 04 11 00 5 39 PM Last Saved By Lydia Sanchez 3 Cover the screw with the flat bracket Bracket C 4 Install a lock not provided in the security bracket to control access to the inside of the workstation Install a cable lock not provided to secure the workstation to a fixed object Securing the workstation with a padlock ...

Page 69: ...vices This type of damage may reduce the life expectancy of the device Preventing Electrostatic Damage To prevent electrostatic damage observe the following precautions Avoid hand contact by transporting and storing products in static safe containers Keep electrostatic sensitive parts in their containers until they arrive at static free workstations Place parts on a grounded surface before removin...

Page 70: ... flexible straps with a minimum of 1 Mohm 10 percent resistance in the ground cords To provide proper ground wear the strap snug against the skin Use heelstraps toestraps or bootstraps at standing workstations Wear the straps on both feet when standing on conductive floors or dissipating floor mats Use conductive field service tools Use a portable field service kit with a folding static dissipatin...

Page 71: ...nel removed Never restrict the airflow into the computer by blocking the front vents or air intake Do not place the keyboard with the keyboard feet down directly against the front of the unit that is in a desktop configuration as this also restricts airflow Never use a desktop computer on its side resembling a tower configuration unless it is a computer that has the convertible minitower CMT chass...

Page 72: ...rive during operation This may cause it to malfunction during reading Avoid exposing the drive to sudden changes in temperature as condensation may form inside the unit If the temperature suddenly changes while the drive is on wait at least one hour before you turn off the power If you operate the unit immediately it may malfunction while reading Avoid placing the drive in a location that is subje...

Page 73: ...diskettes from the diskette drives 3 Insert a blank diskette into the diskette drive to protect the drive while in transit Do not use a diskette on which you have stored or plan to store data 4 Turn off the computer and external devices 5 Disconnect the power cord from the electrical outlet then from the computer 6 Disconnect the system components and external devices from their power sources then...

Page 74: ... inch 2 12 illustrated 2 12 installing optional guidelines 2 8 removing 2 14 E expansion board full length board card guide 2 20 expansion slot identifying PCI 2 16 external SCSI connector 1 3 F front bezel proper handling 2 9 H headphone connector 1 3 heatsink 2 22 2 23 2 24 I installing Pentium processor 2 24 RIMMs 2 6 2 7 Intel Pentium processor installing 2 24 K keyboard connector 1 3 using Wi...

Page 75: ...y Lydia Sanchez P Pentium processor installing 2 24 power cord connector 1 3 power on light 1 2 processor heatsink assembly 2 22 2 23 2 24 R removing workstation access panel 2 3 RIMMs important guidelines 2 5 RIMMs RAMBUS inline memory modules installing 2 5 S SCSI connector 1 3 serial number 1 11 U USB connector 1 3 W workstation access panel removing 2 3 ...

Search results

Summary of Contents for AP250 - Deskpro Workstation - 128 MB RAM

Reviews:

Related manuals for AP250 - Deskpro Workstation - 128 MB RAM

Brands by name

Popular brands

Compaq AP250 - Deskpro Workstation - 128 MB RAM, Hardware Reference Manual

Search results

Summary of Contents for AP250 - Deskpro Workstation - 128 MB RAM

Reviews:

Related manuals for AP250 - Deskpro Workstation - 128 MB RAM

Brands by name

Popular brands